Single Shut-Off
Nominal Diameter
12 = 115 mm²
RECTUS Series
57KB
Chart
Technical Description
German industrial profile with UltraFlo technology. Optimum structure with respect to size and performance. Robust coupling in compressed air applications, especially for oscillating forces due to steel sleeve and steel valve bodies.

Advantages
Single handed operation. Low pressure drop. UltraFlo technology. No damage to the valve body from binding design. High flow valve.

Interchangeability
WALTHER LP012
Working Pressure
PB = 35 bar, maximum static
working pressure with safety
factor of 4 to 1.

Working Temperature*
-20°C up to +100°C (NBR)
-40°C up to +120/150°C (EPDM)
-15°C up to +200°C (FKM)
depending on the medium.

*At a temperature below
-20°C and above +100°C special
seals are available on request.
Material

Coupling		 Standard
Back Body
Valve Body
Sleeve
Valve
Spring Plate
Spring and Locking Ring
Locking Balls
Seals		 Brass, Nickel Plated
Steel Hardened, Nickel Plated
Steel Hardened, Nickel Plated
Brass, Nickel Plated
Brass, Nickel Plated
AISI 301
AISI 420
NBR
Plug
Plug Steel, Nickel Plated

Couplings

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Male Thread
Male Thread
 G 1/2 34 98 40 12 Standard 57KBAW21SPN
G 3/4 34 100 40 16 Standard 57KBAW26SPN
G 1 41 100 40 19 Standard 57KBAW33SPN
                     
Female Thread
Female Thread
 G 1/2 34 100 40 19 Standard 57KBIW21SPN
G 3/4 34 100 40 16 Standard 57KBIW26SPN
G 1 41 101 40 20 Standard 57KBIW33SPN
                     
Hose Barb
Hose Barb
 16 mm 34 122 40 36 Standard 57KBTF16SPN
19 mm 34 122 40 36 Standard 57KBTF19SPN
                     
                     

Plugs

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Hose Barb
Hose Barb
 13 mm 63 28 28 Standard 57SFTF13SXN
16 mm 71 28 36 Standard 57SFTF16SXN
19 mm 71 28 36 Standard 57SFTF19SXN
                     

Plugs

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Male Thread
Male Thread
 G 3/8 27 49 12 Standard 57SFAW17SXN
G 1/2 27 52 15 Standard 57SFAW21SXN
G 3/4 32 55 17 Standard 57SFAW26SXN
G 1 41 60 20 Standard 57SFAW33SXN
Female Thread
Female Thread
 G 1/2 27 48 15 Standard 57SFIW21SXN
G 3/4 32 54 20 Standard 57SFIW26SXN